Foliage with alpha channel for compositing?

[bruno021]

You need to render the alpha pass separatly from the multipass menu in the render options.
In the multipass menu, choose object mask and tick the object you want masked out, or material mask if it is a specific material you want masked out.
Multipass is only available when using "user" render settings, and is an Infinite & xStream feature only.

[Ingsoc75]

Multipass rendering via xStream 7 in 3ds Max has a bug and the passes render out like garbage. :(

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